Cardiomyopathic human hearts exhibit a reduction in functional L-type calcium channels and a blunted response to beta-adrenergic and serotoninergic stimulation, indicating altered cyclic AMP pathway potentiation.
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Suggests blunted cAMP responses in cardiomyopathic hearts; hypothesis-generating and should not yet change practice.
Albat et al. (1995) studied this question.
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